import router, { asyncRoutes } from './router'
// import router, { asyncRoutes } from './router'
import store from './store'
// import { Message } from 'element-ui'
import NProgress from 'nprogress' // progress bar
import 'nprogress/nprogress.css' // progress bar style
import { getToken } from '@/utils/auth' // get token from cookie
import getPageTitle from '@/utils/get-page-title'

NProgress.configure({ showSpinner: false }) // NProgress Configuration

const whiteList = ['/login', '/404'] // no redirect whitelist

router.beforeEach(async(to, from, next) => {
  // start progress bar
  NProgress.start()

  // set page title
  document.title = getPageTitle(to.meta.title)

  // determine whether the user has logged in
  const hasToken = getToken()

  if (hasToken) {
    if (to.path === '/login') {
      // if is logged in, redirect to the home page
      next({ path: '/' })
      NProgress.done()
    } else {
      // await store.dispatch('user/getInfo')

      next()
      const hasGetUserInfo = store.getters.name
      if (hasGetUserInfo) {
        next()
      } else {
        try {
          // get user info
          const {
            roles: { menus }
          } = await store.dispatch('user/getInfo')
          var newRoutes = asyncRoutes.filter((item) => {
            //   判断每一项是否存在当前的权限中
            var name = item.children[0].name
            return menus.includes(name)
          })
          //   404添加到最后一条
          newRoutes.push({ path: '*', redirect: '/404', hidden: true })
          // 保证的是：左侧菜单有这几个权限，路由规则中没有
          // 动态生成路由规则
          store.commit('menu/setMenuList', newRoutes)

          router.addRoutes(newRoutes)

          //   console.log(newRoutes)
          next(to.path)
        } catch (error) {
          // remove token and go to login page to re-login
          await store.dispatch('user/resetToken')
          //   改成动态添加方式
          router.addRoutes(asyncRoutes)
          // eslint-disable-next-line no-undef
          Message.error(error || 'Has Error')
          next(`/login?redirect=${to.path}`)
          NProgress.done()
        }
      }
    }
  } else {
    /* has no token*/

    // if (whiteList.indexOf(to.path) !== -1) {
    if (whiteList.includes(to.path)) {
      // in the free login whitelist, go directly
      next()
    } else {
      // other pages that do not have permission to access are redirected to the login page.
      next(`/login?redirect=${to.path}`)
      NProgress.done()
    }
  }
})

router.afterEach(() => {
  // finish progress bar
  NProgress.done()
})
